Home / 9,394.18-12,963.81-5,202.34

Finding the Fourth Proportional to 9,394.18, 12,963.81 and 5,202.34

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Solution

The fourth proportional to 9,394.18, 12,963.81 and 5,202.34 is: 7,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.18 : 12,963.81 = 5,202.34 : x
  2. Step 2: Convert to fraction form
    9,394.18/12,963.81 = 5,202.34/x
  3. Step 3: Cross multiply
    9,394.18x = 12,963.81 × 5,202.34
  4. Step 4: Simplify right side
    9,394.18x = 67,442,147.32
  5. Step 5: Solve for x
    x = 67,442,147.32/9,394.18
  6. Step 6: Final answer
    x = 7,179.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.